Human communication relies on more than just talking; we nod, shrug, move our hands and point with our fingers. For people with severe paralysis, brain–computer interfaces (BCIs) can convey intended speech or movement. Now, researchers have shown that a single brain implant can do both at once.
The device, described1 today in Nature Neuroscience, is the first to translate both verbal and non-verbal modes of communication, simultaneously and within seconds of the user’s intent. It uses artificial intelligence to convert electrical brain activity into text that appears on screen and to prompt a personalized animated avatar to move.
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